Darius G. Nevin - 18 Mar 2026 Form 4 Insider Report for Alarm.com Holdings, Inc. (ALRM)

Reporting relationship: Director
Issuer ticker: ALRM
Reported as of: 18 Mar 2026
Net transaction value: -$1,662,120
SEC form: 4
Accepted by SEC: 19 Mar 2026, 16:30:49 UTC
Prior SEC filing: 25 Jul 2025
Next SEC filing: 08 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Daniel Ramos, Attorney-in-Fact

Key filing fact

Darius G. Nevin filed Form 4 for Alarm.com Holdings, Inc. (ALRM) on 19 Mar 2026.

Key facts

This page summarizes Darius G. Nevin's Form 4 filing for Alarm.com Holdings, Inc. (ALRM).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 19 Mar 2026, 16:30.

Change

Previous filing in this sequence was filed on 25 Jul 2025.
Current net transaction value: -$1,662,120.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001184810 Primary reporting owner

NEVIN DARIUS G

Relationship: Director
Address: C/O ALARM.COM HOLDINGS, INC., 8281 GREENSBORO DRIVE, SUITE 100, TYSONS
Signature: /s/ Daniel Ramos, Attorney-in-Fact
Signature date: 19 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALRM transaction

Common Stock

Options Exercise

Transaction value
Shares: +36,000
Change %: +148%
Price: $21.70^*
Shares after: 60,375
Date: 18 Mar 2026
Ownership: Direct

ALRM transaction

Common Stock

Sale

Transaction value: $1,662,120
Shares: -36,000
Change %: -60%
Price: $46.17
Shares after: 24,375
Date: 18 Mar 2026
Ownership: Direct
Footnotes: F1, F2

ALRM holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,500
Date: 18 Mar 2026
Ownership: By: G3 Investment Holdings, LLC
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ALRM transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -36,000
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 18 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 36,000
Exercise price: $21.70
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 4 footnotes

Footnote F1

These sales were effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person on 12/16/2024.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.83 - $46.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote to this Form 4.

Footnote F3

These securities are directly held by G3 Investment Holdings, LLC ("G3 Investments"). The Reporting Person is a co-owner of G3 Investments, and shares voting and dispositive power over the securities held by G3 Investments. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Footnote F4

Immediately exercisable and fully vested.